Add PCH for JSystem (#2645)

src/JSystem/JSupport/JSUFileStream.cpp

@@ -3,6 +3,8 @@
 // Translation Unit: JSUFileStream
 //
 
+#include "JSystem/JSystem.h" // IWYU pragma: keep
+
 #include "JSystem/JSupport/JSUFileStream.h"
 #include "JSystem/JKernel/JKRFile.h"
 

src/JSystem/JSupport/JSUInputStream.cpp

@@ -3,6 +3,8 @@
 // Translation Unit: JSUInputStream
 //
 
+#include "JSystem/JSystem.h" // IWYU pragma: keep
+
 #include "JSystem/JSupport/JSUInputStream.h"
 #include "JSystem/JSupport/JSURandomInputStream.h"
 #include <dolphin.h>

src/JSystem/JSupport/JSUList.cpp

@@ -3,6 +3,8 @@
 // Translation Unit: JSUList
 //
 
+#include "JSystem/JSystem.h" // IWYU pragma: keep
+
 #include "JSystem/JSupport/JSUList.h"
 
 JSUPtrLink::JSUPtrLink(void* object) {

src/JSystem/JSupport/JSUMemoryStream.cpp

@@ -3,6 +3,8 @@
 // Translation Unit: JSUMemoryStream
 //
 
+#include "JSystem/JSystem.h" // IWYU pragma: keep
+
 #include "JSystem/JSupport/JSUMemoryStream.h"
 #include "string.h"
 

src/JSystem/JSupport/JSUOutputStream.cpp

@@ -1,3 +1,5 @@
+#include "JSystem/JSystem.h" // IWYU pragma: keep
+
 #include "JSystem/JSupport/JSUOutputStream.h"
 #include "JSystem/JSupport/JSURandomOutputStream.h"
 #include <dolphin.h>